51915960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 179595000

約数和(自身を除く): 127679040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 289, 306, 340, 360, 408, 499, 510, 578, 612, 680, 765, 867, 998, 1020, 1156, 1224, 1445, 1497, 1530, 1734, 1996, 2040, 2312, 2495, 2601, 2890, 2994, 3060, 3468, 3992, 4335, 4491, 4990, 5202, 5780, 5988, 6120, 6936, 7485, 8483, 8670, 8982, 9980, 10404, 11560, 11976, 13005, 14970, 16966, 17340, 17964, 19960, 20808, 22455, 25449, 26010, 29940, 33932, 34680, 35928, 42415, 44910, 50898, 52020, 59880, 67864, 76347, 84830, 89820, 101796, 104040, 127245, 144211, 152694, 169660, 179640, 203592, 254490, 288422, 305388, 339320, 381735, 432633, 508980, 576844, 610776, 721055, 763470, 865266, 1017960, 1153688, 1297899, 1442110, 1526940, 1730532, 2163165, 2595798, 2884220, 3053880, 3461064, 4326330, 5191596, 5768440, 6489495, 8652660, 10383192, 12978990, 17305320, 25957980, 51915960]

約数ペア:

[(1, 51915960), (2, 25957980), (3, 17305320), (4, 12978990), (5, 10383192), (6, 8652660), (8, 6489495), (9, 5768440), (10, 5191596), (12, 4326330), (15, 3461064), (17, 3053880), (18, 2884220), (20, 2595798), (24, 2163165), (30, 1730532), (34, 1526940), (36, 1442110), (40, 1297899), (45, 1153688), (51, 1017960), (60, 865266), (68, 763470), (72, 721055), (85, 610776), (90, 576844), (102, 508980), (120, 432633), (136, 381735), (153, 339320), (170, 305388), (180, 288422), (204, 254490), (255, 203592), (289, 179640), (306, 169660), (340, 152694), (360, 144211), (408, 127245), (499, 104040), (510, 101796), (578, 89820), (612, 84830), (680, 76347), (765, 67864), (867, 59880), (998, 52020), (1020, 50898), (1156, 44910), (1224, 42415), (1445, 35928), (1497, 34680), (1530, 33932), (1734, 29940), (1996, 26010), (2040, 25449), (2312, 22455), (2495, 20808), (2601, 19960), (2890, 17964), (2994, 17340), (3060, 16966), (3468, 14970), (3992, 13005), (4335, 11976), (4491, 11560), (4990, 10404), (5202, 9980), (5780, 8982), (5988, 8670), (6120, 8483), (6936, 7485)]